Granted Patent
Utility
US 6,217,736 · App. 09/403,397
Method and apparatus for electrolytically treating a board-shaped substrate comprising shielding edge regions of the substrate during electrolytic treatment
Inventors:
Lorenz Kopp, Wolfang Plose, Ralf-Peter Wachter
Patented Case
View Patent ↗
Granted: Apr 17, 2001
Filed: Oct 20, 1999
Inventors
Lorenz Kopp
Wolfang Plose
Ralf-Peter Wachter
Assignee (at issue)
Atotech Deutschland GmbH
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.